[gdm] Update gsettings descriptions for login screen logo settings

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 1a7e775f81ffd176796953a332ec2b02ebe09f1a
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Mon Jan 11 15:28:13 2016 -0600

    Update gsettings descriptions for login screen logo settings
    
    https://bugzilla.gnome.org/show_bug.cgi?id=760495

 data/org.gnome.login-screen.gschema.xml.in |   10 ++++------
 1 files changed, 4 insertions(+), 6 deletions(-)
---
diff --git a/data/org.gnome.login-screen.gschema.xml.in b/data/org.gnome.login-screen.gschema.xml.in
index 03da374..ed78dd9 100644
--- a/data/org.gnome.login-screen.gschema.xml.in
+++ b/data/org.gnome.login-screen.gschema.xml.in
@@ -36,9 +36,8 @@
         Path to small image at top of user list
       </_summary>
       <_description>
-        The login screen can optionally show a small image at the top of its
-        user list to provide site administrators and distributions a way to
-        provide branding.
+        The login screen can optionally show a small image to provide site
+        administrators and distributions a way to display branding.
       </_description>
     </key>
     <key name="fallback-logo" type="s">
@@ -47,9 +46,8 @@
         Path to small image at top of user list
       </_summary>
       <_description>
-        The fallback login screen can optionally show a small image at the top of its
-        user list to provide site administrators and distributions a way to
-        provide branding.
+        The fallback login screen can optionally show a small image to provide
+        site administrators and distributions a way to display branding.
       </_description>
     </key>
     <key name="disable-user-list" type="b">